1. One engaged in a crusade.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• cursader,
• prusade,
• crusad,
• cruser,
• crusde,
• cruisade,
• crusate,
• crusaides,
• crucider,
• cruisader,
• crussader,
• crusaderd,
• cruasder,
• crucader,
• crusadar,
• cresaer,
• croustadee,
• Causater,
• Craslander,
• Crusidor

• crustacea,
• Cristie,
• crystalise,
• Cruzado,
• crystalize,
• crustaceous,
• crystal,
• cruder,
• crusade,
• cristal,
• crossed,
• crusades,
• crushed,
• Crusaded,
• crosshead,
• Crystle,
• crustacean,
• Crista,
• Cristaldi,
• Crysta,
• crusted,
• crested.

The adjective form of "crusader" is "crusading".

The plural of the "crusader" can be the "crusaders".

The singular of the "crusader" can be the "crusader".